September could be a good time to visit Cancun, as the weather is generally fine. The average high temperature is around +84°F, and there are typically 0 sunny days in September. However, expect about 26 rainy days, and total monthly rainfall of approximately 170 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+84°F
Avg. max. temperature
+72°F
Min.
+91°F
Max.
170 mm
Total precipitation
82%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
2 ⛅️
Cloudy
26 🌦
Rainy
Our opinion: Cancun has OK weather in September.
Average temperature in Cancun in September
Here are the expected maximum, average and minimum temperatures in Cancun for September based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in September is +86°F with a maximum of +88°F and a minimum of +77°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +88°F to +88°F.
Is Cancun warm or cold in September?
Cancun is typically warm in September.
Maximum temperatures go down compared to the previous month from +86°F to +84°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Cancun, here is the comparison with other months:
Water temperature in Cancun in September
Water in Cancun in September is Very warm. It varies from +83°F to +86°F, with an average of +84°F.Note that the air temperature is lower than the water temperature, averaging around +84°F.
The water temperature in September is one of the warmest of the entire year:
The warmest water temperatures in Cancun are reached in August, when the average sea temperature rises to +85°F. The coldest water temperatures are in January, with an average of +78°F.
Can you swim in Cancun in September?
You can definitely swim in Cancun in September, the water is very warm (+84°F in average), and might even be unpleasant for ones who like it more fresh.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Don't forget sunscreen and a hat, it's going to be hot!
Travel to Cancun
Click to see more details
✈️
2
Flights per week
$338
Min. Price
$338
Max. Price
Airlines with direct connections:
JetBlue Airways
United Airlines
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Climate in Cancun in September
Cancun weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+86°F
+84°F
+82°F
Min. temperature
+72°F
+72°F
+59°F
Max. temperature
+97°F
+91°F
+91°F
Rainfall
123 mm
170 mm
160 mm
Wind
2 m/s
2 m/s
2 m/s
Avg. water temperature
+85°F
+84°F
+83°F
Humidity
80%
82%
82%
Air pressure
1014 HPa
1012 HPa
1012 HPa
Sunny days
0
0
1
Cloudy days
3
2
4
Rainy days
26
26
24
Snowy days
0
0
0
September weather is still as ok as in August.It’s getting colder in September. From +86°F in the day, the average maximum temperature lowers to +84°F.Prepare for more rain. Average rainfall goes from 123 mm to 170 mm.Humidity rises from 80% to 82%.The average wind speed doesn’t change much during September, staying around 2 m/s.The amount of sunny days stay about the same, averaging 0 sunny days during the month.
October brings much the same weather, it remains ok.
Wind speed in Cancun in September based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Cancun is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Cancun based on historical data.
Last Year
Historical Data
Total precipitation in September is about 63 mm, with a 40% chance of rain on a typical day. The maximum amount of rainfall per day is around 12 mm, which is considered light rain.September is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Cancun, here is a comparison with other months, total mm:
Cancun wettest month is September, where a typical day has a 87% chance of precipitation and 170 mm of rainfall per day. March, on the other hand, is the driest month with a mere 45% chance of precipitation and 32 mm of rainfall per day.
How was the weather last September in Cancun?
This is the weather in Cancun in September 2023:
1 September
☁️
+87°F
2 September
☁️
+86°F
3 September
☁️
+88°F
4 September
🌧️
+88°F
5 September
☁️
+86°F
6 September
☁️
+86°F
7 September
☁️
+87°F
8 September
☀️
+85°F
9 September
🌧️
+85°F
10 September
☁️
+88°F
11 September
☁️
+87°F
12 September
☁️
+87°F
13 September
☁️
+87°F
14 September
☁️
+87°F
15 September
☁️
+87°F
16 September
☀️
+87°F
17 September
☀️
+87°F
18 September
☀️
+87°F
19 September
☁️
+86°F
20 September
☀️
+87°F
21 September
☀️
+86°F
22 September
☀️
+88°F
23 September
☁️
+87°F
24 September
🌧️
+87°F
25 September
☁️
+86°F
26 September
☁️
+84°F
27 September
🌧️
+83°F
28 September
🌧️
+84°F
29 September
🌧️
+84°F
30 September
☁️
+87°F
In September 2023 Cancun had 7 sunny days, 17 cloudy days, and 6 rainy days. The average maximum temperature was +86°F, with an absolute maximum of +88°F and a minimum of +84°F. The average humidity was 82%, with a maximum of 100% and a minimum of 73%. The average wind speed was 3 m/s, with a maximum of 7 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Cancun climate has changed over the last 43 years.
The climate in Cancun in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+80°F) and the highest in 2019 (+86°F). The driest year was 2004 with only 635 mm of rainfall, and the wettest year was 2013 with 2270 mm.
FAQ
Frequently asked questions about the weather in Cancun in September:
Is September a good time to visit Cancun?
It’s always a good time to visit Cancun, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Cancun in September?
September is warm in Cancun. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Cancun in September?
Yes, you can swim in Cancun in September, the water is very warm, with temperature averaging at +84°F, but it's important to manage hydration and sun exposure.
Is Cancun rainy in September?
Cancun is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Cancun in September?
Usually, it’s not very sunny in Cancun in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
How much does it cost to fly to Cancun in September?
The normal prices to fly to Cancun is $338 - $338. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.
For this page, we’ve looked at the typical weather in Cancun, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
